3.3.5.1 The PPURPOSE element (EXTENSION)

The primary purpose extension element allows user agents to
determine what the data recipient will be primarily doing with the data.
Multiple primary purposes may be used. The long descriptions are to be used
for aiding the policy authors, while the titles in bold are what is to be
displayed to the end user.

Web Browsing: Information may be exchanged automatically
for the purpose of browsing web pages.

<login>

Authentication and Authorization: Information may be used
for the purpose of online identity verification. Usernames and passwords are
often exchanged to confirm online identity and/or grant access to protected
content.

<state>

State and Session Management: Information may be
used to keep track of sessions. Examples include unique identification
numbers or information to identify the previous pages viewed. Other uses
include serving the user dynamic content.

<register>

Registration, Enrollment, and/or Subscription:
Information may be used to subscribe the user to a service. This only
covers subscription; account management is handled by the account
tag.

<account>

Account Management: Information may be used for
managing an existing account that the user has already created. This is
separate from creating new accounts or subscriptions, which are handled by the
register tag. A common example is updating account
information.

<custom>

Customization: Information may be used to customize
the user's online experience. Online content is arranged so as to better match
the user's specified needs or interests.

<feedback>

Responding to User: Information may be used for the
purposes of responding to the user. This can vary from responding to a query to
simply providing the user with feedback.

<sales>

Sales of Products or Services: Information may be
used as part of a business transaction with the user. Information is provided
for the purpose of completing a sale.

<charity>

Charitable Donations: Information may be used
for a charitable donation.

<payment>

Payment and Transaction Facilitation: Information may be
used to facilitate a financial transaction. This is different from
sales as the payment is sent or received by a third party.

<delivery>

Delivery: Information may be used for delivering a product
or products.

<bank>

Banking and Financial Management: Information may be used
for bank transactions or financial management. Examples include opening,
closing, and managing financial accounts, as well as trading
securities.

<education>

Education: Information may be used for educational
purposes; examples include teaching, grading, testing, and interactions between
educators and students.

<gaming>

Online Gaming: Information may be used for online games
that do not involve gambling.

<gambling>

Online Gambling: Information may be used for online
gambling where wagers for money are placed on games of chance.

<arts>

Arts and Entertainment: Information may be used for
delivering the arts. Examples include such interests as music, literature,
drama, movies, and the visual arts.

<news>

News and Information: Information may be used for
delivering news or other information.

<communicate>

Communications Services: Information may be used for
facilitating communication between users. Examples include communication
conducted over email, telephone, facsimile, videophone, instant messaging, or
any other communications medium.

<search>

Search Engines: Information may be used
for querying a search engine.

<surveys>

Surveys and Questionnaires: Information may be used
to conduct surveys and questionnaires.

<government>

Government Services: Information may be used
for online government services. Examples include voter registration,
vehicle registration, and citizen information services.

<marketing>

Advertising, Marketing, and/or Promotion: Information may
be used for marketing and promotional purposes.

<health>

Healthcare Services: Information may be used to offer the
user products or services that relate to their physical and/or mental
health.

In the following sample, information is primarily being provided to
authenticate a user as well as provide web content.